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ext3: Replace lock/unlock_super() with an explicit lock for the orphan list

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Use a separate lock to protect the orphan list, so we can stop
overloading the use of lock_super().

Port of ext4 commit 3b9d4ed266
by Theodore Ts'o <tytso@mit.edu>.

CC: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Eric Sandeen 2009-12-14 13:00:30 -06:00 • committed by Jan Kara
parent 4854a5f0cb
commit b8a052d016
3 changed files with 13 additions and 9 deletions
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include/linux/ext3_fs_sb.h
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@ -72,6 +72,7 @@ struct ext3_sb_info {
struct inode * s_journal_inode;
struct journal_s * s_journal;
struct list_head s_orphan;
struct mutex s_orphan_lock;
unsigned long s_commit_interval;
struct block_device *journal_bdev;
#ifdef CONFIG_JBD_DEBUG